Home / 88,374.27-132,561.41-72,759.09

Finding the Fourth Proportional to 88,374.27, 132,561.41 and 72,759.09

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Solution

The fourth proportional to 88,374.27, 132,561.41 and 72,759.09 is: 109,138.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,374.27 : 132,561.41 = 72,759.09 : x
  2. Step 2: Convert to fraction form
    88,374.27/132,561.41 = 72,759.09/x
  3. Step 3: Cross multiply
    88,374.27x = 132,561.41 × 72,759.09
  4. Step 4: Simplify right side
    88,374.27x = 9,645,047,196.92
  5. Step 5: Solve for x
    x = 9,645,047,196.92/88,374.27
  6. Step 6: Final answer
    x = 109,138.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.